... Abell 2218: A Galaxy Cluster Lens . ... Background galaxies. ... Almost all of the bright objects in this Hubble Space Telescope image are galaxies in the cluster known as Abell 2218. ... Publications with keywords: Abell 2218 - gravitational lens - cluster of galaxies . Publications with words: Abell 2218 - gravitational lens - cluster of galaxies . ... The Coma Cluster of Galaxies . ... Abell 370: Galaxy Cluster Gravitational Lens . MACSJ0025: Two Giant Galaxy Clusters Collide . ...

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• XWare > APOD
• Journal "Peremennye Zvezdy"
• Астронет > Abell 2218: A Galaxy Cluster Lens

... Editor's choices for the most educational Astronomy Pictures of the Day about clusters of galaxies: . APOD: 2006 March 21 - The Coma Cluster of Galaxies . ... APOD: 2005 November 22 - A Galactic Collision in Cluster Abell 1185 . ... A prominent example occurs on the left of the above image of the rich cluster of galaxies Abell 1185. ... Recent observations of Abell 1185 have found unusual globular clusters of stars that appear to belong only to the galaxy cluster and not to any individual galaxy. ...

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• APOD: 2014 May 5 - Galaxy Cluster Magnifies Distant Supernova
• APOD: 2014 April 22 - The El Gordo Massive Galaxy Cluster
• APOD: 2010 June 20 - Abell 2218: A Galaxy Cluster Lens

home publications > mercury . ... Big Clusters, Tiny Galaxies . ... Astronomers struggle to understand why giant star clusters form in the tiniest of galaxies . ... These clusters are probably young versions of globular clusters, but they are commonly called super star clusters. Seven dwarf galaxies within 16 million light-years have formed super star clusters, with one of these galaxies, NGC 1569, possessing two young clusters. ... Super star clusters have a lot to tell us about star formation. ...

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• ASP: Beacons in the Gloom

... Australia Telescope Compact Array . ... Compact Stellar Systems in the Fornax Cluster: Super-massive Star Clusters or Extremely Compact Dwarf Galaxies? ... We suggest that these objects are either super-massive star clusters (intra-cluster globular clusters or tidally stripped nuclei of dwarf galaxies) or a new type of low-luminosity compact elliptical dwarf (``M32-type'') galaxy. ... Keywords: galaxies: star clusters -- galaxies: dwarf -- galaxies: formation . ... Properties of the compact objects ...

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• Evolutionary Paths in Galaxy Morphology
• WALLABY - the ASKAP HI All-Sky Survey
• ATNF Colloquium

M31, also known as the Andromeda Galaxy, is the nearest large galaxy to our own. ... M31 is about 4 times as massive as the Milky Way. It has a substantially large population of globular clusters (about 600) than does the Milky Way. The overall star formation rate in M31 is remarkablely low compared to other spiral galaxies. M31 and the Milky Way are bound together (maybe?) in a configuration known as the Local Group of Galaxies. ... This image is another unique image. ...

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• Constrains on Dark Matter
• Dark Matter in the Universe
• Astronomy HyperText Book: Stellar Clusters

... These Frontier Fields will combine the power of HST with the natural gravitational telescopes of high-magnification clusters of galaxies. ... We are soliciting gravitational lensing maps for the last four Hubble Frontier Fields clusters (MACSJ0717.5+3745, MACSJ1149.5+2223, AbellS1063, and Abell 370) based upon the exceptionally deep HST FF imaging and other new ancillary data. ... For the full set of proposal instructions and requirements, see the FY16 Frontier Fields Lensing Map Call for Proposals....

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• CLASH: An Innovative Survey to Place New Constraints on the Fundamental
• High Redshift Cluster Projects
• Swara's Publications

A Canadian and American team of Astronomers have used the 305-m wide Arecibo radio dish, the world's largest and most sensitive radio telescope, to uncover a dozen new super-fast-spinning pulsars. The team directed their search for these rare and exotic stars by pointing the Arecibo radio telescope towards massive star clusters, called Globular Clusters, orbiting our Milky Way galaxy. ... One of the most exotic residents in the Globular cluster system are the millisecond pulsars. ...

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• New Results Confirm Dark Galaxy Existence
• The Evolution of Galaxies through the Neutral Hydrogen Window The Evolution of
• The Evolution of Galaxies Seen Through The Neutral Hydrogen Line The Evolution

... Science . ... Science Users Information > Science and Technical Meetings > Conferences 2011 > Dynamics of Low-Mass Stellar Systems: From Star Clusters to Dwarf Galaxies . ... Science Users Information . ... Observing with ESO Telescopes . ... Science Software . ... ESO-MIDAS . ... Science Data Products Forum . ... ESO Data . ... ESO Science Newsletter . ... We aim at bringing together a mix of astronomers from both observations and theory that work on the dynamics of dwarf galaxies and star clusters...

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• El Gordo: a massive distant merging galaxy cluster
• ESO - Research Area: STELLAR POPULATIONS
• El Gordo: a massive distant merging galaxy cluster | ESO

Title: A New Model of the Gravitational Lens 0957+561 and a Limit on the Hubble Constant . Authors: Norman A. Grogin , Ramesh Narayan (Harvard Univ.) ... Title: ROSAT/PSPC observation of the distant cluster CL0939+472 . ... Title: Interaction in the Bimodal Galaxy Cluster A3528 . ... Title: Cosmological Implications of Galaxy Cluster Evolution . ... Title: Galaxy Cluster Virial Masses and Omega . ... Matches 201 to 222 from a total of 222 matches for the search pattern galaxy cluster . ...

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• astro-ph authors/title/abstract search for 'galaxy merging' all years
• astro-ph authors/title/abstract search for 'galaxy environment' all years

... The Butcher-Oemler Effect Blue Fraction, fB Redshift , z The Butcher-Oemler Effect Blue Fraction, fB Abell 370 Redshift , z Abell 370 a galaxy cluster at z = 0.37 Abell 370 , a galaxy cluster at z = 0.37 large galaxy cluster of order same size as Coma similar cluster velocity dispersion and X-ray gas temperature GMRT ~34 hours on OII] Star Formation Rate Average all 168 [OII] emission galaxies line from Bell 2003 Radio Continuum vs. ...

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• Julie Banfield | Astronomer
• GSAOI Super Star Clusters Science Page
• IAU Commission #34 (Interstellar Matter)

Astronotes Armagh Planetarium's Stellar Blog! ... Milky Way . Stars . ... This dramatic image depicts Omega Centauri, one of 200 or so globular clusters orbiting our Milky Way galaxy. ... Swarms of tightly packed stars, numbering in the thousands to low millions, globular clusters are cosmic fossils, relics of the early times of our galaxy. Omega Centauri may actually be the core of a smaller galaxy ripped apart and assimilated by our own Milky Way in the distant past. ...

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• NGC4666: Secrets of a Starburst Galaxy | Astronotes
• Young Stars in the Small Magellanic Cloud | Astronotes
• M55 globular cluster seen by ESO | Astronotes

Astronomers have discovered a massive cluster of young galaxies forming in the distant universe. The growing galactic metropolis, named COSMOS-AzTEC3, is the most distant known massive "proto-cluster" of galaxies, lying about 12.6 billion light-years from Earth. ... The other dots in this picture are stars or galaxies that are not members of the cluster тАФ most of them are located closer to us than the cluster, but some are farther away. The two brightest spots are stars. ...

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• Chandra weighs most massive galaxy cluster in distant universe | Astronomy.com
• In some photographs of galaxy clusters, why are the arcs of a lensed galaxy
• Very distant galaxy cluster confirmed | Astronomy.com

... Kopylov, A.I., Kopylova, F.G. "Structure of galaxy groups and clusters and measurement of their masses", . ... Kopylova, F.G., Kopylov, A.I. "Peculiar motions of galaxy clusters and groups in the Hercules and Leo supercluster regions", . ... Kopylova, F.G., Kopylov, A.I. "Analysis of the properties of clusters of galaxies in the region of the Leo supercluster", . ... Kopylova, F.G., Kopylov, A.I. "Analysis of the properties of clusters of galaxies in the region of the Ursa Major supercluster", . ...

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• Galaxy sector, archive 2012
• Galaxy sector, archive 2010
• articles_alex_01

... Star formation . ... Deep X-ray and IR study of the distant X-ray cluster XDCP J0044.0-2033 (Il Gioiello) at z=1.6 . ... The high redshift cluster XDCP0044 (z=1.6) was discovered in 2011 in the framework of the XMM Distant Cluster Project ( Santos et al. ... These results are published in тАЬ Chandra Deep Observation of XDCP J0044.0-2033, a Massive Galaxy Cluster at z > 1.5 тАЭ , by P. Tozzi et al. ... The cluster is officially known as XDCP J0044.0-2033. ...

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• APOD: 2000 January 4 - Galaxies Cluster Toward the Great Attractor
• APOD: December 13, 1997 - The Coma Cluster of Galaxies

... Astrophysics Group . ... AMI Science . ... Observations of galaxy clusters are central to the AMI science programme. The AMI Small Array is used to observe already-known clusters with high-sensitivity and resolution, allowing us to extract detailed information about individual clusters and to build up statistics about the cluster population. ... Observing galaxy clusters at 15 GHz is tricky because of the contamination from foreground radio sources, which is where the Large Array comes in! ...

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• The history of star formation and mass assembly in early-type galaxies
• Galaxy Evolution Over Five Decades
• Astrophysics Group Galaxy Formation and Evolution

This animation shows a galaxy cluster with two mass concentrations (the pink shading indicates the projected mass density) lensing a background field of faint blue galaxies. ... Inside the Einstein ring radius one has radial arcs, and right in the center of the cluster there are demagnified images. The highest magnifications occur at the Einstein ring radius, giving the large tangential arcs. ... Abell 2218 and CL2244-02 are clusters with tangential arcs. ... Tutorial : Part 1 | Part 2 | ...

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• Old "Structure" publications
• A 20 cm VLA survey of Abell clusters of galaxies
• A 1400-MHz Survey of 1478 Abell Clusters of Galaxies

... Our Sun is part of a huge wheel-shaped collection of stars. ... Astronomers have long suspected it was a very massive black hole, and that every galaxy had such a central mass, created early in the history of the universe. ... However, unless that object happens to be headed directly at the black hole (a relatively small target) it will just swing around and fly away again, like a comet making a pass at the Sun. The velocity acquired in falling towards the black hole also helps it escape. ...

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... D. J. Burke and J. Patrick Henry . The Astrophysical Journal, submitted. ... S. Brough, W. J. Couch, C. A. Collins, T. Jarrett, D. J. Burke , R. G. Mann . ... D. A. Wake, C. A. Collins, R. C. Nichol, L. R. Jones, D. J. Burke . ... R. Sadat, A. Blanchard, S. C. Vauclair, D. H. Lumb, J. Bartlett, A. K. Romer, J.-P. Bernard, M. Boer, P. Marty, J. Nevalainen, D. J. Burke , C. A. Collins, R. C. Nichol, . ... S. Majerowicz, D. M. Neumann, A. K. Romer, R. C. Nichol, D. J. Burke , C. A. Collins . ...

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• Southern SHARC survey
• The AstroStat Slog massive data
• The AstroStat Slog globular cluster

... Dept. for Physics of Stars&Galaxies . ... Using a database view Sloan Digital Sky Survey (SDSS), containing almost a million spectra created 15,000 sample galaxies with active star formation, which is used for various studies and physical state of evolution of galaxies. ... Star clusters of the Galaxy . The project MWSC (Milky Way Star Clusters) directory using 2MASS, which includes nearly 500 million vision to the limit Ks = 15.3, analyzed more than 4,000 cluster-like objects in the galaxy. ...

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• Dept. for Physics of Stars&Galaxies
• The Laboratory of Astrometry
• Publications

... We found that 10 metal-poor globular clusters are greately distinguished for anomalously small masses on the "destruction rate-mass" plain. As it turned out, these poor clusters, situated 15 kpc farther from the Galactic centre, are somewhat younger than the bulk of the metal-poor globulars, and have anomalously red horizontal branches. ... At the same time, deficiency of distant massive clusters is noticeable with increasing distance from the galactic centre. ...

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• Globular clusters with anomalously small masses, figures
• T.Borkova, V.Marsakov, Distant globular clusters with anomalously small masses
• Vladimir Marsakov Publication List